PRM-45A - Projector Promethean - Free user manual and instructions
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| Product Type | Projector |
| Brand | Promethean |
| Model | PRM-45A |
| Display Technology | DLP |
| Native Resolution | WXGA (1280 x 800) |
| Brightness | 4000 ANSI Lumens |
| Contrast Ratio | 3000:1 |
| Lamp Life | Up to 5000 hours (normal mode) |
| Power Consumption | 350W (max) |
| Dimensions (W x D x H) | 10.4 x 8.7 x 4.3 inches (264 x 221 x 109 mm) |
| Weight | 6.2 lbs (2.8 kg) |
| Input Ports | HDMI, VGA, S-Video, Composite, USB |
| Output Ports | VGA, Audio Out |
| Built-in Speaker | 10W mono |
| Noise Level | 32 dB (eco mode) |
| Keystone Correction | Vertical +/- 30 degrees |
| Image Size | 30 - 300 inches |
| Throw Ratio | 1.5 - 2.0:1 |
| Remote Control | Included with IR |
| Lamp Replacement | User-replaceable lamp module |
| Air Filter | Cleanable, replaceable |
| Safety | Kensington lock slot, thermal protection |
Frequently Asked Questions - PRM-45A Promethean
How do I replace the lamp on my Promethean PRM-45A projector?
Turn off the projector and unplug it. Wait 45 minutes for the lamp to cool. Open the lamp door on the side, remove the old lamp module, and insert a new one. Replace the door and plug in. Reset the lamp timer in the menu via Settings > Lamp Hours Reset.
How to clean the air filter?
Turn off and unplug the projector. Locate the air filter on the bottom or side. Remove the filter cover, take out the filter, and vacuum it gently or wash with mild soap and water. Ensure it is completely dry before reinstalling. Clean every 500 hours of use.
What is the native resolution of the PRM-45A?
The native resolution is WXGA (1280 x 800). It supports up to 1080p via HDMI input.
Can I connect my laptop to this projector?
Yes, the PRM-45A has both HDMI and VGA inputs. Connect your laptop using the appropriate cable. Select the corresponding input source using the remote or projector panel.
How to adjust the focus and zoom?
Use the focus ring on the lens to sharpen the image. Use the zoom ring (if available) to adjust the image size. Some models may have a digital zoom in the menu.
What should I do if the projector does not turn on?
Check that the power cord is securely plugged into the projector and a working outlet. Ensure the power switch on the back (if present) is on. If the LED blinks red, refer to the error codes in the manual. Let the projector cool if it overheated.
How to mount the projector on a ceiling?
Use a standard projector mount compatible with the 3-hole pattern (100mm x 100mm or similar). Ensure the mount supports at least 6.6 lbs (3 kg). Follow the mount instructions and secure all screws. Use a safety cable.
How to use the remote control?
Insert two AAA batteries (not included) into the remote. Aim it at the IR receiver on the front or back of the projector. Press the Power button to turn on/off. Use the arrow keys to navigate menus. Replace batteries if range reduces.
How to reset the projector to factory settings?
Press the Menu button on the remote or projector. Navigate to Settings or System and select Factory Reset. Confirm the reset. The projector will restart with default settings.
Where can I find spare parts like lamps and filters?
Spare parts including lamp modules and air filters are available from Promethean authorized dealers or online. Search for PRM-45A lamp or PRM-45A filter. Use only genuine parts for safety.
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